A boardview (component placement) file for Lenovo hardware (board NM-B421). Shared as “Eletro-X_EE480 EE580 NM-B421 (REV 1.0) (BDV).tvw” — a .tvw file, 9.14 MB.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @ShareMan_Electronic_Files. Enginerys does not host this file.
How to open a .tvw file
Binary boardview from Tebo-ICT test software, frequent for Gigabyte, MSI and many newer laptop boards.